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SIST EN 14081-4:2005/oprA4:2008
01-september-2008
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Timber structures - Strength graded structural timber with rectangular cross section -
Part 4: Machine grading - Grading machine settings for machine controlled systems
Holzbauwerke - Nach Festigkeit sortiertes Bauholz für tragende Zwecke mit
rechteckigem Querschnitt - Teil 4: Maschinelle Sortierung - Einstellungen von
Sortiermaschinen für maschinenkontrollierte Systeme
Structures en bois - Bois de structure de section rectangulaire classé selon la résistance
- Partie 4: Classement par machine - Réglages pour les systèmes de contrôle par
machine
Ta slovenski standard je istoveten z: EN 14081-4:2005/prA4
ICS:
79.040 Les, hlodovina in žagan les Wood, sawlogs and sawn
timber
79.120.10 Lesnoobdelovalni stroji Woodworking machines
SIST EN 14081-4:2005/oprA4:2008 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN 14081-4:2005/oprA4:2008
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SIST EN 14081-4:2005/oprA4:2008
EUROPEAN STANDARD
FINAL DRAFT
EN 14081-4:2005+A3:2008
NORME EUROPÉENNE
EUROPÄISCHE NORM
prA4
June 2008
ICS 79.040; 79.120.10
English Version
Timber structures - Strength graded structural timber with
rectangular cross section - Part 4: Machine grading - Grading
machine settings for machine controlled systems
Structures en bois - Bois de structure de section Holzbauwerke - Nach Festigkeit sortiertes Bauholz für
rectangulaire classé selon la résistance - Partie 4: tragende Zwecke mit rechteckigem Querschnitt - Teil 4:
Classement par machine - Réglages pour les systèmes de Maschinelle Sortierung - Einstellungen von
contrôle par machine Sortiermaschinen für maschinenkontrollierte Systeme
This draft amendment is submitted to CEN members for unique acceptance procedure. It has been drawn up by the Technical Committee
CEN/TC 124.
This draft amendment A4, if approved, will modify the European Standard EN 14081-4:2005+A3:2008. If this draft becomes an
amendment, CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for inclusion
of this amendment into the relevant national standard without any alteration.
This draft amendment was established by CEN in three official versions (English, French, German). A version in any other language made
by translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same
status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,
Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and
shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36 B-1050 Brussels
© 2008 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 14081-4:2005/prA4:2008: E
worldwide for CEN national Members.
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SIST EN 14081-4:2005/oprA4:2008
EN 14081-4:2005/prA4:2008
Foreword
This document (EN 14801-4:2005/prA4:2008) has been prepared by Technical Committee CEN/TC 124
“Timber structures”, the secretariat of which is held by SFS.
This document is currently submitted to the Unique Acceptance Procedure.
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SIST EN 14081-4:2005/oprA4:2008
EN 14081-4:2005/prA4:2008
1 Modifications to Tables 1 to 9
Replace all Tables 1 to 9 with the following new Tables 1 to 11
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SIST EN 14081-4:2005/oprA4:2008
EN 14081-4:2005/prA4:2008
Table 1 — Settings for Cook Bolinder (Tecmach) machine types SG-AR, SG-AF and SG-TF
c
Source Source Species Permitted Grade or Model value Comments and additional requirements
a b
country or mark timber sizes grade Force F
countries (mm) combination (kN)
UK GB Spruce C24 2,68 Requirements for grading:
35 ≤ t ≤ 75
n
Ireland IE Picea abies C16 2,27 - Air temperature between + 10 °C and + 35 °C;
60 ≤ b ≤ 300
n
Picea C16 1,24
- Relative humidity in the air ≤ 85 %;
sitchensis
- Timber temperature ≥ - 10 °C;
Pine C24 2,79
35 ≤ t ≤ 75 - Timber mean moisture content > 10 %;
n
Pinus nigra C16 1,91
60 ≤ b ≤ 300 - Maximum fee
...